GB2157134B - Electro-acoustic arrangement for influencing the acoustic properties of a space - Google Patents

Electro-acoustic arrangement for influencing the acoustic properties of a space

Info

Publication number: GB2157134B
Authority: GB; United Kingdom
Prior art keywords: acoustic; influencing; electro; space; arrangement
Prior art date: 1984-04-03
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB08508198A

Other versions

GB8508198D0 (en

GB2157134A (en

Inventor

Petrus Antonius Swarte

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1984-04-03

Filing date

1985-03-29

Publication date

1987-07-22

1985-03-29 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1985-05-09 Publication of GB8508198D0 publication Critical patent/GB8508198D0/en

1985-10-16 Publication of GB2157134A publication Critical patent/GB2157134A/en

1987-07-22 Application granted granted Critical

1987-07-22 Publication of GB2157134B publication Critical patent/GB2157134B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/08—Arrangements for producing a reverberation or echo sound
- G10K15/12—Arrangements for producing a reverberation or echo sound using electronic time-delay networks
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3013—Analogue, i.e. using analogue computers or circuits
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/50—Miscellaneous
- G10K2210/505—Echo cancellation, e.g. multipath-, ghost- or reverberation-cancellation

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Circuit For Audible Band Transducer (AREA)

GB08508198A 1984-04-03 1985-03-29 Electro-acoustic arrangement for influencing the acoustic properties of a space Expired GB2157134B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8401041A NL8401041A (en)	1984-04-03	1984-04-03	ELECTRO-ACOUSTIC DEVICE.

Publications (3)

Publication Number	Publication Date
GB8508198D0 GB8508198D0 (en)	1985-05-09
GB2157134A GB2157134A (en)	1985-10-16
GB2157134B true GB2157134B (en)	1987-07-22

Family

ID=19843746

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08508198A Expired GB2157134B (en)	1984-04-03	1985-03-29	Electro-acoustic arrangement for influencing the acoustic properties of a space

Country Status (6)

Country	Link
US (1)	US4712247A (en)
JP (1)	JPS60229498A (en)
DE (1)	DE3510155A1 (en)
FR (1)	FR2562353B1 (en)
GB (1)	GB2157134B (en)
NL (1)	NL8401041A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO851699L (en) *	1985-04-29	1986-10-30	Knut Boenke	PROCEDURE AND DEVICE FOR MUTING SOUND AND Acoustic Noise.
JP2567585B2 (en) *	1986-02-27	1996-12-25	宏一菊野	Stereoscopic information playback device
GB8704314D0 (en) *	1987-02-24	1987-04-01	Scient Generics Ltd	Noise attenuation
JP2605321B2 (en) *	1987-12-28	1997-04-30	ヤマハ株式会社	Sound equipment
JP2701279B2 (en) *	1987-12-28	1998-01-21	ヤマハ株式会社	Sound equipment
EP0340690A3 (en) *	1988-05-06	1991-07-03	Yamaha Corporation	Acoustic characteristics changing device having variable characteristics
DE3836745A1 (en) *	1988-10-28	1990-05-03	Standard Elektrik Lorenz Ag	METHOD AND DEVICE FOR LINEARIZING THE FREQUENCY GEAR OF A SPEAKER SYSTEM
US4899387A (en) *	1988-12-02	1990-02-06	Threshold Corporation	Active low frequency acoustic resonance suppressor
US5321756A (en) *	1990-03-23	1994-06-14	Patterson Jr James K	Loudspeaker system with sonically powered drivers and centered feedback loudspeaker connected thereto
US5559891A (en) *	1992-02-13	1996-09-24	Nokia Technology Gmbh	Device to be used for changing the acoustic properties of a room
US5255326A (en) *	1992-05-18	1993-10-19	Alden Stevenson	Interactive audio control system
US5862234A (en) *	1992-11-11	1999-01-19	Todter; Chris	Active noise cancellation system
US5848169A (en) *	1994-10-06	1998-12-08	Duke University	Feedback acoustic energy dissipating device with compensator
US5949892A (en) *	1995-12-07	1999-09-07	Advanced Micro Devices, Inc.	Method of and apparatus for dynamically controlling operating characteristics of a microphone
US5982905A (en) *	1996-01-22	1999-11-09	Grodinsky; Robert M.	Distortion reduction in signal processors
US6535610B1 (en) *	1996-02-07	2003-03-18	Morgan Stanley & Co. Incorporated	Directional microphone utilizing spaced apart omni-directional microphones
EP0839585A3 (en) *	1996-10-31	2000-12-27	Eastman Kodak Company	Method and apparatus for testing transducer horn assembly debubbling devices
GB2342001B (en) *	1998-09-21	2000-10-25	Mitsubishi Electric Eng	MFB speaker system with controllable speaker vibration characteristic
US6658126B1 (en) *	1999-04-07	2003-12-02	Ericsson Inc.	Hearing aid compatible piezoelectric speaker
DE10025496C2 (en) *	2000-05-23	2003-04-10	Daimler Chrysler Ag	Audio system, in particular for motor vehicles
KR20030039926A (en) *	2001-11-16	2003-05-22	삼성전기주식회사	Receiver United in Speaker
US7092536B1 (en) *	2002-05-09	2006-08-15	Harman International Industries, Incorporated	System for transducer compensation based on ambient conditions
JP5241465B2 (en) *	2008-12-11	2013-07-17	キヤノン株式会社	Photoacoustic imaging apparatus and photoacoustic imaging method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2983790A (en) *	1953-04-30	1961-05-09	Rca Corp	Electronic sound absorber
BE720115A (en) *	1968-08-29	1969-02-03
US3872247A (en) *	1971-05-20	1975-03-18	Robert W Saville	Low cost of high fidelity high power variable class a amplifier-speaker combination
DE2235664A1 (en) *	1972-07-20	1974-01-31	Max Planck Gesellschaft	CIRCUIT ARRANGEMENT FOR COMPENSATING THE VOLTAGE DROP ON A SPEAKER
DE2420689C3 (en) *	1974-04-29	1984-09-20	Arndt 7500 Karlsruhe Klingelnberg	Method and arrangement for improving the properties of electrodynamic transducers by means of negative motion
SU862393A1 (en) *	1976-04-26	1981-09-07	За витель ВС1}СОЮЭвДЯ М. Н. Шорохов ;i.4TEjrn o. 13 ТЕХКИЧЖКАЯ 5 ;5; 1- Г«Л	Device for sound reproduction
US4145571A (en) *	1978-03-13	1979-03-20	Cadawas Thomas L	Loudspeaker enclosure with acoustically coupled loudspeaker damper
JPS56134807A (en) *	1980-03-24	1981-10-21	Toshiba Corp	Acoustic reproducing device

1984
- 1984-04-03 NL NL8401041A patent/NL8401041A/en not_active Application Discontinuation
1985
- 1985-03-21 DE DE19853510155 patent/DE3510155A1/en not_active Withdrawn
- 1985-03-27 US US06/716,774 patent/US4712247A/en not_active Expired - Fee Related
- 1985-03-29 FR FR8504819A patent/FR2562353B1/en not_active Expired
- 1985-03-29 GB GB08508198A patent/GB2157134B/en not_active Expired
- 1985-04-02 JP JP60068573A patent/JPS60229498A/en active Pending

Also Published As

Publication number	Publication date
NL8401041A (en)	1985-11-01
FR2562353B1 (en)	1986-12-12
JPS60229498A (en)	1985-11-14
GB8508198D0 (en)	1985-05-09
GB2157134A (en)	1985-10-16
US4712247A (en)	1987-12-08
DE3510155A1 (en)	1985-10-10
FR2562353A1 (en)	1985-10-04

Publication	Publication Date	Title
GB2157134B (en)	1987-07-22	Electro-acoustic arrangement for influencing the acoustic properties of a space
HK1006910A1 (en)	1999-03-19	Electro-acoustic transducer
GB8508831D0 (en)	1985-05-09	Vibration transducer
GB8314336D0 (en)	1983-06-29	Electroacoustic transducer
EP0140618A3 (en)	1986-03-12	Acoustic transducer
GB2153629B (en)	1986-01-02	Electroacoustic transducer
GB8425064D0 (en)	1993-01-27	Acoustic transducer
GB8507003D0 (en)	1985-04-24	Acoustic transducers
GB2146870B (en)	1987-05-13	Directional acoustic transducer
GB8411493D0 (en)	1984-06-13	Electro-acoustic transducer
GB2144600B (en)	1986-09-24	Electro acoustic transducer
EP0121690A3 (en)	1985-07-31	Acoustic microscope
GB8509157D0 (en)	1985-05-15	Electret transducer
GB2153997B (en)	1987-06-10	Acoustic microscope
GB8531820D0 (en)	1986-02-05	Acoustic diaphragm
GB8726489D0 (en)	1987-12-16	Electro-acoustic transducers
GB8621897D0 (en)	1986-10-15	Electroacoustic transducer arrangement
GB2123650B (en)	1985-10-02	Acoustic diaphragm
AU5049885A (en)	1986-06-05	Variflux vibration transducer
GB8415062D0 (en)	1984-07-18	Electro-acoustic transducers
GB2153627B (en)	1988-04-20	Piezoelectric electroacoustic transducer
SG40087G (en)	1987-07-24	Electro-acoustic transducer
GB8827764D0 (en)	1988-12-29	Diaphragm for acoustic equipment
DE3477335D1 (en)	1989-04-20	Electrostatic sound transducer
GB2175527B (en)	1988-06-02	Acoustic transducer manufacture

Legal Events

Date	Code	Title	Description
1990-11-28	PCNP	Patent ceased through non-payment of renewal fee